/* Start custom CSS */.icon-down {

      animation: flutuar 2s ease-in-out infinite;
    }

    @keyframes flutuar {
      0% {
        transform: translateY(0);
      }
      50% {
        transform: translateY(-15px); /* Sobe */
      }
      100% {
        transform: translateY(0); /* Volta */
      }
}/* End custom CSS */